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A few days ago, Lao Wang and his son, who lived in Baimao Town, Changshu City, Jiangsu Province, were suddenly exploded when they took down the balloon that floated to the tree in front of their house. Both father and son were burned. According to the fragments of the balloon after the explosion, the family said that the source of the hydrogen balloon was Jiading, Shanghai. The reporter was informed that at present, relevant departments have investigated the source of balloons.

The balloon hung across the tree head and suddenly exploded during pulling.

On the afternoon of August 1st, a balloon floated from mid-air, which broke the quiet life of Lao Wang’s family in Baimao Town, Changshu City.

"This balloon should have suddenly floated to the village around noon. The balloon was hanging at the door of Wang Hu’s house. When he saw the balloon hanging on the tree, Wang Hu tried to move it with his son. I didn’t expect the balloon to explode during the movement. The fire suddenly caught them both." Wang Hu’s relatives told reporters.

After the accident, the injured Lao Wang and his son were sent to Changshu First People’s Hospital. After examination by the hospital, the burn area of both of them is about 30%, which is a second-degree burn. Photos sent to reporters by the families of the injured showed that the faces of the injured father and son were burnt black, and their limbs were burned to varying degrees, wrapped in thick gauze.

Balloon fragments and victims

According to family members, after treatment, at present, the two injured people are out of danger. It is understood that the 41-year-old Wang Hu and his 17-year-old son Wang Peng were living by growing vegetables at home.

The balloon trademark is suspected to be a shopping mall in Jiading, and the specific source is still to be investigated.

According to the account of the families of the injured, the diameter of the balloon that exploded was about 2 meters, and the surface was yellow with the words "Taibei Hot" printed on it. Family members said that they suspected that the balloon that exploded or the "Taipei Style Street" shopping mall in Jiading District of Shanghai.

homeAccording to the genus, they suspect that the balloon that exploded or came from the "Taipei Style Street" shopping mall in Jiading District of Shanghai. Xinmin Evening News

According to the clues provided by the families of the injured, the reporter came to the shopping center and found that the trademarks outside the shopping mall were almost exactly the same as those on the wreckage of the exploding balloon. A merchant operator in the mall revealed that the mall began trial operation on April 30 this year and officially opened on July 30. On the opening day, balloons with similar slogans like "Taibei Hot" were hung outside the mall. The above statement was also confirmed by other staff in the mall. The staff all recognized the trademark on the photo of the exploding balloon as the trademark of the mall, but most of them said they couldn’t remember whether the mall had used similar yellow balloons when it opened.

The reporter tried to interview the management of the mall on related issues, but the front desk staff said that the leader of the planning department of the mall was not in class, so it was not convenient to respond to related questions.

The linear distance between Baizhen and the shopping mall in Changshu City, Jiangsu Province is about 50 kilometers.

Looking through the map, the reporter found that the linear distance between Baizhen and the shopping mall in Changshu City, Jiangsu Province is about 50 kilometers. At present, relevant departments have investigated the incident, and where the balloon belongs and how it floated to Changshu need further confirmation from relevant departments.

Authority: Balloons should replace hydrogen with inert gas.

According to the family members of the injured, Lao Wang and his son did not smoke at the time of the incident. When pulling the balloon, there was no fire source nearby. I don’t know why the balloon suddenly exploded.

The data show that hydrogen is a flammable and explosive gas, which is not easy to react with oxygen at room temperature. However, when it is in a closed space, because it is mixed with air, once the concentration is too high, it will react to generate heat. Because the heat cannot be discharged, the pressure will expand rapidly, and when it exceeds the surface load of the balloon, it will explode.

Official website, China Meteorological Bureau, issued the Notice on Further Strengthening the Safety Management of Balloon Releasing in June 2008. The notice showed that in order to avoid the accident of explosion and personal injury after the balloon landed, tethered balloons released in densely populated areas (referring to balloons that are tied to the ground winch by cables and can control their floating height in the atmosphere) should be filled with inert gas instead of flammable and explosive gases such as hydrogen.

According to the "Measures for the Administration of Balloon Flying", if it is really necessary to fly balloons in large-scale activities approved by the government at or above the county level, in addition to the normal procedures for examination and approval, the security forces and measures of balloon flying units and activity organizers should be strictly reviewed, and on-site supervision should be strengthened to ensure the safety of balloon flying activities.

According to insiders, the inert gas helium is the second least dense gas after hydrogen. Helium is an ideal balloon filling gas because it is not flammable. However, in the actual circulation, the price of helium is more than ten times different from that of hydrogen. In order to save costs, it is not excluded that some businesses take the risk to choose hydrogen balloons. "In addition to being directly ignited, static electricity, sun exposure, high pressure, etc. may also cause hydrogen balloons to explode." The above-mentioned insiders introduced this to reporters.

(Original title: Changshu hydrogen balloon explosion, father and son burn balloons accused of coming from Jiading, Shanghai Editor: Dong Yihong)

　　The newspaper reported on the 4th (Reporter Cao Zhongyi) that on the 4th, Xu Qin, secretary of the provincial party committee and director of the Standing Committee of the Provincial People’s Congress, and Liang Huiling, deputy secretary of the provincial party committee and governor, went to the command center of the Provincial Emergency Management Department to dispatch and deploy the flood control and disaster relief work in the whole province. It is emphasized that it is necessary to thoroughly implement the important instructions of the Supreme Leader General Secretary on flood control and disaster relief and the important exposition on disaster prevention, mitigation and relief, conscientiously implement the decision-making arrangements of the CPC Central Committee and the State Council, adhere to the people first and life first, resolutely overcome paralysis and luck, implement various flood control and disaster relief measures with a sense of responsibility of "always worrying", and make every effort to ensure the safety of people’s lives and property.

　　Affected by the residual water vapor after the weakening of Typhoon Du Surui, the recent heavy rain in our province has a large range and a long duration, and the regional rainfall is cumulative. According to the forecast of the meteorological department, the rainfall process is not over yet, local heavy rainfall will still occur, and the flood control situation is grim. Xu Qin and Liang Huiling organized consultations to judge the changing trend of rain, water and flood, directly understood the latest situation of flood control and disaster relief in various places, connected key flood control areas by telephone and video, dispatched reservoirs, river flood monitoring and disposal and mountain flood disaster prevention, and made arrangements for monitoring and early warning, disaster prevention and mitigation, emergency rescue, relocation and post-disaster recovery and reconstruction.

　　Xu Qin and Liang Huiling emphasized that the flood is the command, and all localities and departments should firmly establish the bottom line thinking, extreme thinking and systematic thinking, adhere to the principle of believing the big and not trusting the small, quickly implement various emergency response measures, and resolutely win the tough battle of flood control and disaster relief. To strengthen forecasting and early warning, water conservancy, meteorology, emergency and other departments should work together to strengthen monitoring and early warning, providing a reliable basis for flood control and disaster relief in the province. It is necessary to take ensuring the safety of personnel and the safety of reservoir dams as the primary task, strengthen the flood control dispatching of reservoirs, make preparations for transferring risks and fighting floods in advance, and ensure that the masses should turn around and properly resettle. It is necessary to strengthen the safety precautions of key parts, ensure the smooth flood discharge of all kinds of rivers, strengthen the safety protection of construction sites, low-lying residential areas, subways, etc., ensure the safe operation of infrastructure such as water, electricity and telecommunications, strictly implement preventive measures against geological disasters such as mountain torrents and mudslides, and set warning and guiding signs in dangerous areas to prevent secondary disasters. It is necessary to strengthen emergency rescue and disposal, strengthen the protection of all kinds of emergency rescue materials, repair roads, electricity, communications and other facilities damaged by water as soon as possible, and minimize the impact of disasters. To strengthen the implementation of responsibilities, Party committees and governments at all levels should be responsible, responsible and conscientious in guarding the soil, and strictly implement the 24-hour duty system. Flood control and drought relief headquarters at all levels should take the lead in grasping the overall situation, and all member units should perform their duties and cooperate with each other. Commanders should take the lead in commanding, step by step relying on their responsibilities, and do their best to eliminate risks and disaster relief.

　　Wang Yixin, Xu Xiangguo and responsible comrades of relevant provincial units attended.

　　On the occasion of Youth Day on May 4th, which coincided with the centenary of the founding of the Communist Youth League, the Central Committee of the Communist Youth League joined forces with 20 Communist Youth League committees at all levels to present a wonderful webcast on the WeChat video number with the theme of "New Era of Youth’s Heart Making Contributions to the Party".

　　The live broadcast officially started at 16: 00 on May 4th, and consisted of three parts: the exhibition of excellent online cultural products of the Communist Youth League, the May 4th youth talk drama of "One Hundred Years of Youth Should Burn Me" and the special program of "Struggling Youth" on May 4th Youth Day in 2022, which together formed a hymn for young people.

　　Wu Dajing, Liu Xinyu, Zhang Aoyue and other youth representatives also appeared in the live broadcast room of the video number at the right time to interact with the young audience through the program. In the 6-hour uninterrupted live broadcast, the cumulative number of viewers reached 1,924,641, and the number of likes exceeded 15.75 million.

　　"Do they really believe that the fire of truth can burn all over China? Do they really believe that the torch of the Long March can ignite the dawn in China? Do they really believe that they will burn their own lives for the success of a great cause? Yes, they really believe it! "

　　In the immersive speech session, young representatives such as Xiu Hongwei, Tian Yifan, Wu Dajing, Liu Xinyu and Zhang Aoyue appeared successively. Among them, there are young soldiers who guard the boundary markers with their lives, those who fight against the "post-95" and "post-00" retrogression in the epidemic, young scientists behind the "the Goddess Chang’e flying to the moon" and "Exploring the Sea with Dragon", and young athletes who struggled hard at the Beijing Winter Olympics.

　　In the live broadcast room of the video number, they appeared one after another, representing the brand-new look of China youth and pushing this hymn dedicated to youth to a climax.

　　The Central Committee of the Communist Youth League has always attached importance to integrating into youth groups through the Internet and leading youth thoughts. On the May 4th Youth Day, the Central Committee of the Communist Youth League opened the century-old youth in a way that young people love, and presented a live video to the young people in China who lived up to the trust of the times from generation to generation.

　　In the exhibition and broadcasting of cultural works, the Central Committee of the Communist Youth League made use of the product capability of video number, and cooperated with more than 30 provinces (autonomous regions and municipalities), the Communist Youth League of colleges and universities, the Communist Youth League of enterprises, the People’s Daily New Media and China Youth Newspaper to show and broadcast 52 original works.

　　These works, which refused boring preaching and used stories and details to get through to young people, also received positive responses from young people.

　　After rapid iteration in 2021, the WeChat video number has initially established a mature product structure, and the extensive presence of authoritative media and mainstream government agencies has made the video number grow into a brand-new expression channel for mainstream voices in the mobile Internet era.

　　In March of this year, Tencent announced the annual report for 2021. The data shows that the per capita usage time of video numbers and the total video playback volume have more than doubled year-on-year.

　　As one of the mainstream government agencies that deeply cultivated the WeChat ecology earlier, the video number has long been an important tool for the Central Committee of the Communist Youth League to shape the temperament of youth and lead the youth’s ideological public opinion.

　　New media products that broadcast live, shoot promotional videos and send theme songs, which are suitable for young people, emerge in an endless stream. The Central Committee of the Communist Youth League always has a keen insight into young people’s preferences, turns insight into practice in time, and leads the growth of young people with high-quality video content.

　　Deeply cultivating the WeChat ecology for many years, the Central Committee of the Communist Youth League is also good at inciting the ecological energy of WeChat and releasing the positive energy of youth.

　　Taking the May 4th live broadcast as an example, WeChat official account, the Central Committee of the Communist Youth League, warmed up one day in advance and inserted a video number link in the text. During the live broadcast, the contents of WeChat official account of the Central Committee of the Communist Youth League will pop up in time to help users understand the live broadcast content and grasp the live broadcast process in time. Moreover, through the thematic aggregation of live broadcast, you can directly reach the live broadcast room of all related topics on that day with one click.

　　In the end, the Central Committee of the Communist Youth League attracted 2 million viewers to join the live broadcast room through the close linkage of WeChat community, WeChat official account, video number, search and take a look, so that these young netizens could celebrate the centenary of the Communist Youth League in an immersive and multi-angle way.

　　In fact, a number of mainstream government agencies, represented by the Central Committee of the Communist Youth League, have shown a new look of "content surname politics, expression surname network" on the video number. Including National Health Commission’s "Healthy China" revealing male nurses’ "embarrassing and hilarious daily life" with the popular "face-killing", the anti-fraud mini-drama of the National Anti-fraud Center, the fancy show of the police in "Safe Beijing", and the popular science video of the Tea City Forest Police to protect animals.

　　The contrast between the seamless switching of these government agencies and the innovative attitude of not being afraid to be a "online celebrity" have been constantly broken in the praise of users of video numbers, which also confirms that new government media have begun to master the "traffic password" of video numbers.

　　These expressions of "net talk" allow government agencies to keep up with the pace of netizens while adhering to the positioning of "government affairs", and use the ecological advantages of WeChat video number to increase the information reach rate and effectively fill the gap in the new media matrix released by government affairs.

　　In addition to being a WeChat official account and building a community, government agencies may make use of the video number to further revitalize the ecological resources of WeChat. For those government agencies that have been widely deposited in the WeChat ecology, the video number that has highlighted the user’s stickiness and ecological advantages is a powerful direction for the video transformation of government agencies. (Photo/Chen Dong)

　　On July 20th, 2024, Chedi Summer Test was closed. The data shows that China brand new energy vehicles keep ahead in all test results in this summer’s test. In terms of battery life, the overall battery life achievement rate of pure electric vehicles increased by 5% compared with 2023, and all group test champions were won by China brand; In terms of active safety, there are 7 models with the highest test speed of 80km/h in rainy night, all of which are China brand models; In terms of intelligent cockpit, the 17 models with voice interaction scores exceeding the average are all China brand models.

　　At the closing ceremony, Know Car Emperor officially released the automobile active safety testing system. Relying on the national test site, the future active safety measurement will cover 16 test scenarios in three dimensions, including forward active safety, backward active safety and extreme weather scenarios, and evaluate the active safety performance of vehicles in a diverse and complex traffic environment with 360 degrees without dead ends. In 2024, there will be more than 100 vehicles that know the active safety of Chedi.

　　According to reports, in 2024, it was more open and transparent to understand the test standards jointly built by Chedi Summer Test and car companies. More than 50 car company technicians and industry experts from 20 brands participated in or observed the whole test process on the spot to witness the progress of China’s new energy vehicle industry. Xu Haidong, deputy chief engineer of China Automobile Industry Association, said: "The summer test of knowing the car emperor in 2024 reflects the global leadership of China’s new energy vehicles in terms of battery life and intelligent network connection, and shows the whole industrial chain layout of China automobile enterprises. China will eventually be born into a world-class automobile manufacturing enterprise."

　　China brand has performed well, and its active safety performance has improved significantly.

　　In 2024, the summer test of knowing the car was held in Wuhan, and the parallel environment of high temperature and heavy rain was closer to the actual car use scene of users in summer. At the same time, relying on the national professional test site Wuhan Intelligent Networked Automobile Test Site, it provides users with more professional and practical reference.

　　In the actual test, China brand new energy vehicles performed well as a whole. In terms of endurance energy consumption, the average endurance of pure electric vehicles participating in the test is about 500 kilometers, and the average endurance achievement rate is about 70%. Users have basically bid farewell to endurance and mileage anxiety. All the group test champions were won by China brand, among which Wenjie M9 and Deep Blue S7 won the championship of pure battery life and fuel consumption without electricity for extended range/plug-in hybrid vehicles respectively. Xiaomi SU7 won the first place in the cruising range and endurance achievement rate of pure electric cars; Haobo HT and Jiyue 01 won the first place in the cruising range and endurance achievement rate of pure electric SUV/MPV respectively.

　　Active safety is another key content of this summer test. In the subject design, Zhiche Di and Central South University released the "Road Traffic Accident Scenario Analysis Report for Autopilot Testing", which screened out typical scenarios prone to traffic accidents from professional data and real cases. In this summer test, the car-knowing emperor tested the forward and backward scenes. The test results show that compared with the summer test in 2023, the overall improvement of China brand in active safety is obvious. However, in the face of complex environment, there is still room for improvement in the vehicle’s active safety capability. When driving, we should not take it lightly because the vehicle has active safety configuration.

　　In the forward scene of "encountering a faulty car on a rainy night", only 16 of all 35 test cars passed the test at the minimum speed of 60km/h, and the passing rate was less than 50%. Seven models, such as Wujie M7, Weilai ET5, Aouita 12, Zhijie S7, Wenjie M9, Tucki G6 and Tengshi N7, passed the test with a top speed of 80 km/h. From the million-dollar level to the 100,000-dollar level, Baojun Yunyun showed excellent intelligent driving ability in the test. The backward test simulates the scene of "reversing children crossing". Compared with the forward scene, only 6 out of 35 cars passed the test, with a passing rate of only 17.14%. The backward active safety capability of new energy vehicles needs to be improved due to the imperfect white list database of backward active safety targets and limited recognition ability of sensing hardware.

　　Another highlight of this summer test is that Ma Qinghua, the champion driver of WTCR, was invited as a tester to test the lap speed of all vehicles and test their ultimate performance. In the end, Zhiji L6 won all the test vehicle championships with a lap time of 2 minutes and 15.06 seconds, while Lectra 08 EM-P won the SUV championship with a lap time of 2 minutes and 19.87 seconds. In addition, in the summer test, subjects such as wetland braking, intelligent cockpit and vehicle privacy were tested, and the vehicle handling, safety and use experience were comprehensively investigated.

　　Public live broadcast, car enterprise supervision, and create a weather vane for China automobile evaluation.

　　Up to now, Knowing Car Emperor has accumulated nearly 3,500 test models, which is the first car content platform in the industry to build a full-scale and systematic test at room temperature and extreme environment, and can provide users with the most comprehensive, real and professional car product evaluation in the industry. Compared with previous tests, all the core subjects of the 2024 Chezhidi Summer Test were broadcast live, and all the test vehicles were purchased by Chezhidi at his own expense to ensure that the test process was open and fair.

　　In order to make the test standard more credible, Chedi has invited car companies, third-party experts and users to participate in this summer test. Before the official start of the summer test, we had a full discussion with the heads of R&D, engineering and testing teams from 20 automobile brands on the whole details of the summer test subjects, standards, equipment and processes. During the summer test, more than 50 technicians from automobile enterprises visited the site and directly participated in the test or observed it on the spot. After the official test, some car companies brought their own vehicles to conduct repeated tests on the spot to quickly improve their products.

　　Wang Ruoran, the person in charge of the original test of Chedi, said that "openness" has brought more challenges to the summer test, but it has also made the test more diverse in perspective and richer in content. Knowing Chedi’s summer test can stand the scrutiny of all parties with a magnifying glass. Testing is not to find "standard answers", but to work together to create value for users.

　　Professor Tsinghua University Song Jian, who watched Chedi’s summer test in 2024, said: "Chedi conducted the test based on a comprehensive and in-depth understanding of the principle, structure and use of the car. The test method was advanced, the test equipment was excellent, and the test site was professional. After long-term and patient experiments, objective and practical test data were obtained. It can play an important role for consumers to purchase vehicles and the healthy development of the automobile industry. " As a professional stage for China’s new energy vehicles to show their strength, knowing how to test cars in summer has become a weather vane in the industry.

　　The vehicle active safety testing system was released, covering 16 scenarios in 3 categories.

　　At the closing ceremony, Know Car Emperor officially released the automobile active safety testing system. The system will cover 16 test scenarios in three categories: forward active safety, backward active safety and extreme weather, and evaluate the active safety performance of vehicles in a multi-dimensional and complex traffic environment in 360 degrees without dead ends.

　　According to reports, safety is one of the topics that users are most concerned about when buying a car. The "Insight Report on New Energy Vehicle Consumption" released by Chedi and China Automobile Association shows that safety is one of the three most concerned factors for new energy vehicle users when buying a car. The data also shows that in the past two years, the number of visits to the measured data of active safety of Chedi increased by 117% year-on-year, and the number of active safety searches increased by 54%.

　　Since 2019, Chedi has taken the lead in the industry to start active safety measurement and continuously upgrade the testing system. From 2019 to 2020, Chezhidi explored the earliest active safety testing system in China with reference to the E-NCAP standard, and carried out four tests on 146 vehicles, including AEB rear-end static fake vehicle, AEB children’s ghost probe, vehicle-to-vehicle dynamics and children’s pedestrian crossing. From 2021 to 2023, there will be 201 test models and 10 test subjects for the active safety measurement system of Chedi.

　　In 2024, Zhiche Di’s active safety test will be fully upgraded in terms of test scenarios, test sites and test tools. It is estimated that the number of active safety measured vehicles will reach more than 100, covering all popular new energy vehicles. Relying on the national professional test site, I know that Chedi will simulate various working conditions such as expressway, urban road and rain and fog environment in the test; And relying on the DEMatrix high-precision vehicle driving state analysis system that understands the original research of Che Di, the collision speed can be accurately judged in real time. Make the test process more professional and the test conclusion more accurate.

　　Wang Ruoran said that in 2024, the car emperor planned to test 450 models, covering 100% of popular new cars; At the same time, new cross-country and track measurement lists were added; The test content will be expanded to 7 dimensions and 40 subjects. In the future, Know Car Emperor will continue to invest in safety testing to provide more comprehensive and professional vehicle safety reference for automobile users.

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